//初始化样式
body,h1,h2,h3,h4,h5,h6,p,ul,ol,dl,dd{
    margin: 0;
    padding: 0;
    list-style: none;
    color: #666;
    font-size: 14px;

}
a{
    text-decoration: none;
    color: #666;
}
img,input{
    vertical-align: middle;
    border: none;
    outline: none;
    padding: 0;
}
.w{
    margin: 0 auto;
    width: 1190px;
}
.left{
    float: left;

}
.right{
    float: right;
}
.clearfix::after{
    content: "";
    display: block;
    clear: both;
}